Universal microscope arms adjustable boom stand 76mm microscope head holder For Industrial Microscope. Microscope Stand Bracket Holder Adjustable Boom Stereo Arm Table Stand 76mm Ring Holder For HDMI USB Video Microscope Camera.

Features:
1. Microscopes Adjustable Focusing Bracket.
2. Plane Frames, Steel Rail Rack Focusing Mechanism.
3. Pillar Length: 290mm.
4. Pillar Rod: DIA 25mm.
5. Table Stand Size: 380mm x 260mm x 320mm(Rod length).
6. Easy Large-Sized Focusing Knobs on Both Sides of Focusing Holder.
7. Steel Gears on Focusing Holder.
8. Standard Size Focusing Holder - Will Fit Scope Heads with Diameter of 76mm.